Class RecentMessages

Maintains a sequence of recent messages.

Inheritance

Object

RecentMessages

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Makaretu.Dns

Assembly: Makaretu.Dns.Multicast.dll

Syntax

public class RecentMessages

Remarks

RecentMessages is used to determine if a message has already been processed within the specified Interval.

Fields

Messages

Recent messages.

Declaration

public ConcurrentDictionary<string, DateTime> Messages

Field Value

Type	Description
ConcurrentDictionary<String, DateTime>	The key is the Base64 encoding of the MD5 hash of a message and the value is when the message was seen.

Properties

Interval

The time interval used to determine if a message is recent.

Declaration

public TimeSpan Interval { get; set; }

Property Value

Type	Description
TimeSpan

Methods

GetId(Byte[])

Gets a unique ID for a message.

Declaration

public string GetId(byte[] message)

Parameters

Type	Name	Description
Byte[]	message	The binary representation of a message.

Returns

Type	Description
String	The Base64 encoding of the MD5 hash of the message.

Prune()

Remove any messages that are stale.

Declaration

public int Prune()

Returns

Type	Description
Int32	The number messages that were pruned.

Remarks

Anything older than an Interval ago is removed.

TryAdd(Byte[])

Try adding a message to the recent message list.

Declaration

public bool TryAdd(byte[] message)

Parameters

Type	Name	Description
Byte[]	message	The binary representation of a message.

Returns

Type	Description
Boolean	true if the message, did not already exist; otherwise, false the message exists within the Interval.